package cn.com.hongfu.interceptor;
import javax.servlet.RequestDispatcher;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import cn.com.hongfu.controller.LoginController;
/**
 * 只拦截 /login/otherUI.html
 * @author Liw
 *
 */
public class LoginInterceptor implements HandlerInterceptor{

	@Override
	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object arg2, Exception arg3)
			throws Exception {
	}
	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object arg2, ModelAndView arg3)
			throws Exception {
	}
	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object arg2) throws Exception {
		Object o = request.getSession().getAttribute(LoginController.USERID);
		if(o == null){
			RequestDispatcher rd = request.getRequestDispatcher("/login/loginUI.html");
			rd.forward(request, response);
			return false ;
		}else{
			return true;
		}
	}
}
